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BB178
VHF variable capacitance diode
Rev. 3 — 5 September 2011
Product data sheet
1. Product profile
1.1 General description
The BB178 is a planar technology variable capacitance diode, in a SOD523 (SC-79) ultra small plastic package. The excellent matching performance is achieved by gliding matching and a Direct Matching Assembly (DMA) procedure.
1.2 Features and benefits
Excellent linearity Excellent matching to 2 % DMA Ultra small plastic SMD package Cd(28V): 2.6 pF; Cd(1V) to Cd(28V) ratio: 15 Very low series resistance.
1.3 Applications
Electronic tuning in VHF television tuners, band B up to 460 MHz Voltage Controlled Oscillators (VCO).
2. Pinning information
Table 1. Pin 1 2
Pinning Description cathode anode
[1] The marking bar indicates the cathode.
3.